Set use_experimental_simulation_loop=True for the build_federated_evaluation method to enable dataset reduce op in multi-GPU TFF simulation for the eval dataset.
Set use_experimental_simulation_loop=True for the build_federated_evaluation method to enable dataset reduce op in multi-GPU TFF simulation for the eval dataset.

PiperOrigin-RevId: 374714942
Change-Id: Iee71d0a3c31220c6c706df97856fe20c2d155ddd

google-research/federated,google-research/federated